| | Not enough information from Callmodo |
| | Not enough information from CallRoot |
| | Not enough information from Calltouch Call Tracking |
| | Not enough information from Call Tracking Pro |
| | Not enough information from CallTrax Plus |
| | Not enough information from Cistera |
| | Not enough information from Clickpath |
| | Not enough information from Clixtell |
| | Not enough information from Cloud Call Recording |
| | Not enough information from CoMagic |
| | Not enough information from Contact Centre Software |
| | Not enough information from Delacon |
| | Not enough information from Excel ID Telepaq |
| | Not enough information from Hoiio Call Tracking |
| | Not enough information from IfTheyCall |
| | Not enough information from Intelligent Recording Desktop Software |
| | Not enough information from INVOX |
| | Not enough information from iovox |
| | Not enough information from KeyMetric |
| | Not enough information from Look & Hook |
| | Not enough information from Mast |
| | Not enough information from Message Metric |
| | Not enough information from MyQuality |
| | Not enough information from OnviCord |
| | Not enough information from Outleads |